0 1 2 3 Tue 25 Dec 1979 Tue 01 Jan 1980 Tue 08 Jan 1980 Tue 15 Jan 1980 Tue 22 Jan 1980 Tue 29 Jan 1980 Tue 05 Feb 1980 Tue 12 Feb 1980 Tue 19 Feb 1980 Tue 26 Feb 1980 Sat 01 Mar 1980 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All